Home / 8,264.66-12,397.22-2,421.27

Finding the Fourth Proportional to 8,264.66, 12,397.22 and 2,421.27

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Solution

The fourth proportional to 8,264.66, 12,397.22 and 2,421.27 is: 3,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.66 : 12,397.22 = 2,421.27 : x
  2. Step 2: Convert to fraction form
    8,264.66/12,397.22 = 2,421.27/x
  3. Step 3: Cross multiply
    8,264.66x = 12,397.22 × 2,421.27
  4. Step 4: Simplify right side
    8,264.66x = 30,017,016.87
  5. Step 5: Solve for x
    x = 30,017,016.87/8,264.66
  6. Step 6: Final answer
    x = 3,631.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.